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FI941138A7 - Method and apparatus for determining fiber properties using near-infrared spectroscopies - Google Patents

Method and apparatus for determining fiber properties using near-infrared spectroscopies Download PDF

Info

Publication number
FI941138A7
FI941138A7 FI941138A FI941138A FI941138A7 FI 941138 A7 FI941138 A7 FI 941138A7 FI 941138 A FI941138 A FI 941138A FI 941138 A FI941138 A FI 941138A FI 941138 A7 FI941138 A7 FI 941138A7
Authority
FI
Finland
Prior art keywords
fiber properties
determining fiber
infrared spectroscopies
spectroscopies
infrared
Prior art date
Application number
FI941138A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI941138A0 (en
Inventor
Niklas Barringer
Stig Norder
Original Assignee
Procheck Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Procheck Ab filed Critical Procheck Ab
Publication of FI941138A0 publication Critical patent/FI941138A0/en
Publication of FI941138A7 publication Critical patent/FI941138A7/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/40—Concentrating samples
    • G01N1/4077—Concentrating samples by other techniques involving separation of suspended solids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34—Paper
    • G01N33/343—Paper pulp
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N2015/0042—Investigating dispersion of solids
    • G01N2015/0053—Investigating dispersion of solids in liquids, e.g. trouble
    • G01N2015/0057—Investigating dispersion of solids in liquids, e.g. trouble of filaments in liquids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N2015/0675—Comparing suspension before/after dilution
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Measurement Of Radiation (AREA)
  • Nuclear Medicine (AREA)
FI941138A 1991-09-12 1994-03-10 Method and apparatus for determining fiber properties using near-infrared spectroscopies FI941138A7 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9102643A SE507486C3 (en) 1991-09-12 1991-09-12 Method and apparatus for saturating fiber properties with near-infrared spectroscopy
PCT/SE1992/000626 WO1993005384A1 (en) 1991-09-12 1992-09-11 A method and arrangement for determining fibre properties by near-infrared-spectroscopy

Publications (2)

Publication Number Publication Date
FI941138A0 FI941138A0 (en) 1994-03-10
FI941138A7 true FI941138A7 (en) 1994-03-10

Family

ID=20383708

Family Applications (1)

Application Number Title Priority Date Filing Date
FI941138A FI941138A7 (en) 1991-09-12 1994-03-10 Method and apparatus for determining fiber properties using near-infrared spectroscopies

Country Status (8)

Country Link
US (1) US5536942A (en)
JP (1) JPH06511079A (en)
AU (1) AU2587492A (en)
BR (1) BR9206492A (en)
CA (1) CA2116456A1 (en)
FI (1) FI941138A7 (en)
SE (1) SE507486C3 (en)
WO (1) WO1993005384A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK171927B1 (en) * 1995-02-10 1997-08-11 Slagteriernes Forskningsinst Method and apparatus for determining the particle size of a food or feed material
SE9502611D0 (en) * 1995-07-14 1995-07-14 Casco Nobel Ab Prediction of the properties of board
US6273994B1 (en) * 1998-01-30 2001-08-14 Iogen Corporation Method and device for measuring bleach requirement, bleachability, and effectivenss of hemicellulase enzyme treatment of pulp
US6098454A (en) * 1998-02-06 2000-08-08 Zellweger Uster, Inc. Subsampling fiber testing system
US6339222B1 (en) * 1998-11-12 2002-01-15 Kvaerner Canada Inc. Determination of ionic species concentration by near infrared spectroscopy
US20020053640A1 (en) * 1998-11-12 2002-05-09 Michael Kester Determination of ionic species concentration by near infrared spectroscopy
US6525319B2 (en) 2000-12-15 2003-02-25 Midwest Research Institute Use of a region of the visible and near infrared spectrum to predict mechanical properties of wet wood and standing trees
US6606568B2 (en) * 2000-06-28 2003-08-12 Midwest Research Institute Method for predicting dry mechanical properties from wet wood and standing trees
US6593572B2 (en) 2000-12-13 2003-07-15 Midwest Research Institute Method of predicting mechanical properties of decayed wood
SE520622C2 (en) * 2002-01-25 2003-08-05 Btg Kaelle Inventing Ab Method and apparatus for measuring concentrations
EP1859253B1 (en) * 2005-03-04 2012-09-12 FPInnovations Method for determining chemical pulp kappa number with visible-near infrared spectrometry, and means therefor
CN100458411C (en) * 2006-07-24 2009-02-04 中国林业科学研究院木材工业研究所 Establishment of chemical composition content model in plant fiber material and content determining method
WO2013125612A1 (en) * 2012-02-21 2013-08-29 株式会社明治 Simple method for measuring median particle size of lactic food
WO2017156645A1 (en) * 2016-03-14 2017-09-21 Tecnologías De Aplicación Industrial Y Cia. Limitada System for testing consistency transmitters
FI127895B (en) * 2016-12-05 2019-05-15 Valmet Automation Oy Device and method for measuring suspension and control of a suspension process
FI127733B (en) * 2016-12-19 2019-01-15 Valmet Automation Oy Apparatus and Method for Measuring Optically Fluidal Material Containing Fluid and Insoluble Particles as a Medium
CN108693187B (en) * 2018-06-21 2023-12-19 上海工程技术大学 Dynamic circulation device for continuous sampling of loose fibers and application method thereof
CN110726592A (en) * 2019-10-29 2020-01-24 华东理工大学 Self-cleaning sampling device and online spectrum detection method thereof

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE452513B (en) * 1979-11-22 1987-11-30 Svenska Traeforskningsinst PROCEDURE AND DEVICE FOR DETERMINING THE CONCENTRATION OF A SUBJECT IN PARTICLES BORN OF A FLOWING MEDIUM
SE453016B (en) * 1981-11-25 1988-01-04 Bergstrom Per Hakan Sture METHOD FOR SATURING THE CONCENTRATION OF PARTICLES TRANSPORTED BY A FLUID THROUGH A PIPE
EP0231179A1 (en) * 1984-09-26 1987-08-12 Apm Limited Concentration meter
DE3504486A1 (en) * 1985-02-09 1986-08-14 Oskar Dipl.-Holzw. Dr. 2057 Reinbek Faix Method for monitoring sulphite pulping of lignocelluloses with the aid of FTIR spectroscopy
WO1986007458A1 (en) * 1985-06-10 1986-12-18 Chemtronics Ab Method for measuring the fibre and filler concentration in the wet end of a paper machine and a control system using the method
CA1277110C (en) * 1986-05-07 1990-12-04 Rudolf Patt Method for cooking control of lignocelluloses by ftir spectroscopy
DE3639552A1 (en) * 1986-11-20 1988-06-01 Ts Kt Bjuro Priborostroenija S Apparatus for determining the filterability of paper pulp
FI81136C (en) * 1987-11-11 1990-09-10 Ahlstroem Oy Method and apparatus for treating pulp
SE463118B (en) * 1988-02-26 1990-10-08 Btg Kaelle Inventing Ab PROCEDURE AND DEVICE FOR DETERMINING THE CONCENTRATION OF A SUBSTANCE CONNECTED TO PARTICLES IN A FLOWING MEDIUM
EP0344694A3 (en) * 1988-05-31 1991-02-06 Hercules Incorporated Method of monitoring and controlling retention of chemicals in processed water/cellulose matrix
US5104485A (en) * 1988-05-31 1992-04-14 Hercules Incorporated Method of measuring non-aqueous constituents in a pulp slurry of a water/cellulose matrix

Also Published As

Publication number Publication date
SE9102643L (en) 1993-03-13
SE507486C2 (en) 1998-06-15
CA2116456A1 (en) 1993-03-18
BR9206492A (en) 1995-11-07
AU2587492A (en) 1993-04-05
SE9102643D0 (en) 1991-09-12
WO1993005384A1 (en) 1993-03-18
FI941138A0 (en) 1994-03-10
JPH06511079A (en) 1994-12-08
US5536942A (en) 1996-07-16
SE507486C3 (en) 1998-07-13

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